825788196641 has 8 divisors (see below), whose sum is σ = 886678959744. Its totient is φ = 766265765440.

The previous prime is 825788196631. The next prime is 825788196643. The reversal of 825788196641 is 146691887528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 825788196641 - 2⁶ = 825788196577 is a prime.

It is a super-2 number, since 2×825788196641² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825788196643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342081725 + ... + 342084138.

It is an arithmetic number, because the mean of its divisors is an integer number (110834869968).

Almost surely, 2^825788196641 is an apocalyptic number.

It is an amenable number.

825788196641 is a deficient number, since it is larger than the sum of its proper divisors (60890763103).

825788196641 is a wasteful number, since it uses less digits than its factorization.

825788196641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684165951.

The product of its digits is 46448640, while the sum is 65.

The spelling of 825788196641 in words is "eight hundred twenty-five billion, seven hundred eighty-eight million, one hundred ninety-six thousand, six hundred forty-one".